Malicious PDF — malware analysis report

Heuristics 8

• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Cracked-software lure uses shortlink/download gateway critical PDF_CRACKED_SOFTWARE_SHORTLINK_LURE
  PDF visible text advertises a crack, serial number, archive, or pirated-software download and pairs it with a shortlink or encoded download gateway. This is a high-confidence social-engineering carrier for unwanted software or droppers; the PDF itself is not a parser exploit.
• Cracked-software lure uses download-gateway redirectors high PDF_CRACKED_SOFTWARE_REDIRECTOR_LINK_FARM
  PDF contains multiple cracked-software/keygen/serial-key lure links together with long encoded download-gateway URLs or known crack-download redirector hosts. This is stronger than generic piracy vocabulary: the document is an SEO lure that funnels users through redirect/download infrastructure commonly used for adware, unwanted software, or droppers.
• PDF links to a cracked-software download doorway (base64-obfuscated) high PDF_CRACKED_SOFTWARE_DOWNLOAD_DOORWAY
  PDF's embedded link hides a pirated-software title as a base64 blob inside the URL path/query (and/or carries the ``download|`` doorway-template marker), rather than in visible text. This is a TCPDF-generated SEO doorway that ranks for software-piracy searches and funnels users to fake 'crack/keygen' download pages distributing adware, potentially-unwanted programs, or droppers. The base64 encoding is deliberate obfuscation to evade plaintext lure rules; the PDF itself carries no parser exploit — the risk is the linked crack-download destination.
• PDF link farm advertises cracked/pirated software medium PDF_CRACKED_SOFTWARE_LURE
  PDF contains many clickable links whose targets use cracked-software, keygen, serial-key, or warez vocabulary. These are SEO-spam lure documents that rank for software-piracy searches and route users to fake 'crack' download pages distributing potentially-unwanted programs, adware, or droppers. The PDF itself carries no exploit — the risk is the linked destinations.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• External URI info PDF_URI
  PDF contains an external URL action
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL http://signforcover.com/bettors/ZG93bmxvYWR8YUc2T0RCNU1YeDhNVFkxT0RJeE9UUTNNM3g4TWpVNU1IeDhLRTBwSUZkdmNtUndjbVZ6Y3lCYldFMU1VbEJESUZZeUlGQkVSbDA?volts=burkhart&Z3BnIGRyYWdvbiBib3ggdXNiIGRyaXZlciB2Mi4xMiBmcmVlIGRvd25sb2FkZ3B=variety.conversant.delawareworks.flatback PDF link annotation

  • https://www.sulpezzo.it/wp-content/uploads/2022/07/Logitracev14rar.pdfIn PDF document text
  • https://hulpnaongeval.nl/wp-content/uploads/Mastercam_V9_Windows_7_64_Bit_Crack_UPDATED.pdfIn PDF document text
  • https://youdocz.com/wp-content/uploads/2022/07/sewphil.pdfIn PDF document text
  • https://www.scalping.es/wp-content/uploads/2022/07/eveltaf.pdfIn PDF document text
  • https://www.babygotbotcourses.com/wp-content/uploads/2022/07/Minecraft_1112_OfficialHawk_Hack_Offline.pdfIn PDF document text
  • https://ksycomputer.com/free-download-microsoft-net-framework-v4-0-30319-1-__link__/In PDF document text
  • https://cambodiaonlinemarket.com/asus-radeon-hd-5750-formula-drivers-windows-7-64-14/In PDF document text
  • http://marqueconstructions.com/2022/07/27/jaws-pdf-creator-5-serial-downloads-22-link/In PDF document text
  • https://lordwillprovide.com/wp-content/uploads/2022/07/BrainsBreaker_5_activation_code_keygen_mega-1.pdfIn PDF document text
  • https://lacartadecervezas.com/analogue-a-hate-story-torrent/In PDF document text
  • https://ayusya.in/typing-master-2013-full-version-free-free-download/In PDF document text
  • http://heritagehome.ca/advert/mafia-2-the-betrayal-of-jimmy-trainer/In PDF document text
  • http://www.healistico.com/refx-nexus-2-2-1-air-elicenser-2-2-1/In PDF document text
  • https://bodhirajabs.com/matlab-r2012b-install-crack-rar-pass/In PDF document text
  • http://feelingshy.com/crack-scan-2-cad-v8-pro-best/In PDF document text
  • https://myvideotoolbox.com/wp-content/uploads/2022/07/kallate.pdfIn PDF document text
  • https://xtc-hair.com/wp-content/uploads/2022/07/ezavid.pdfIn PDF document text
  • https://bariatric-club.net/wp-content/uploads/2022/07/DVDFab_11027_Multilingual_x64_X86.pdfIn PDF document text
  • https://maltymart.com/advert/airline-tycoon-2-spolszczenie-zip-download-for-computer-top/In PDF document text
  • https://empoweresports.com/initiald5thstage1080ptorrent-__full__/In PDF document text
  • http://signforcover.com/bettors/zg93bmxvywr8yuc2t0rcnu1yedhnvfkxt0rjee9uutnnm3g4twpvnu1iedhlrtbwsuzkdmntundjbvz6y3lcyldfmu1vbejesuzzeulgqkvsbda?volts=burkhart&z3bnigryywdvbibib3ggdxniigryaxzlcib2mi4xmibmcmvligrvd25sb2fkz3b=variety.conversant.delawareworks.flatbackIn PDF document text
  • https://ayusya.in/typing-master-2013-full-version-free-free-downloadIn PDF document text
  • http://www.tcpdf.orgIn PDF document text
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://www.aiim.org/pdfa/ns/extension/In PDF document text
  • http://www.aiim.org/pdfa/ns/schema#In PDF document text
  • http://www.aiim.org/pdfa/ns/property#In PDF document text
  • http://www.aiim.org/pdfa/ns/id/In PDF document text

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